Instructors can setup notifications using the Learndash Notifications add-on for various triggers.
It will enable various Instructors present on your website to setup custom email notifications for various triggers offered by LearnDash Notifications.

After our recent update of version 3.3.0, the Instructor Role plugin now finally provides compatibility with the LearnDash Notifications Add-on.
First things first, to get the feature working on your website. we request you to make sure you have the following versions of the plugins:
- Instructor Role v3.3.0 or above
- LearnDash Notifications v1.3.0 or above
You can also select various Instructors associated with the course as a recipient for your notifications when setting up a notification.
